What is the warranty period?

We provide a 12-month warranty from the date of purchase. Any quality issues caused by manufacturing defects will be covered by free replacement.

What materials are used in this terminal?

It features a bimetal construction with a high-conductivity copper palm (often tin-plated) and an aluminum alloy barrel for compatibility with aluminum conductors.

What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.

Dtlk Copper-Aluminum Ring Terminal for Residual Current Breaker

Name: Dtlk Copper-Aluminum Ring Terminal for Residual Current Breaker
Brand: Hebei Hongdu Technology Co., Ltd.
SKU: 2161152612

Hebei, ChinaHebei Hongdu Technology Co., Ltd.

US$0.30

100-1,999 Pieces

US$0.28

2,000-4,999 Pieces

US$0.26

5,000+ Pieces

Product specifications

DTLK-25

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Single Hole Terminals

Material

Copper to Aluminum

Model NO.

DTLK

Application

Conduct Electricity

Character

Environmental Protection

Species

Terminal

Production Process

Welding

Shape

Narrow Head

Brand

Hebei Hongdu Technology Co., Ltd.

Applicable Device

Dtlk Series Circuit Breaker

Terminal Type

Copper-Aluminum Wiring Terminal

Function

Prevents Galvanic Corrosion, Transition Connection

Connection Method

Bolt Crimping

Transport Package

Pocket Carton

Specification

DTLK25-400

Trademark

Origin

Hebei, China

Key features

Bimetal Friction Welding: Friction-welded transition between copper palm and aluminum barrel ensures reliable bonding.

Narrow Head Design: Reduced width allows fitting into compact circuit breakers and high-density terminal blocks.

Corrosion Resistance: Anti-oxidation coating prevents galvanic corrosion between dissimilar copper and aluminum metals.

High Conductivity: High-conductivity tin-plated copper end ensures stable electrical connection over time.

Space Saving: Direct connection to MCBs and RCDs without needing adapters in limited spaces.

Versatile Application: Ideal for connecting aluminum cables to copper busbars in distribution panels and control cabinets.

Customization Support: Size and logo can be customized according to specific customer needs and requirements.

12-Month Warranty: Covers manufacturing defects with free replacement for 12 months from purchase date.

Company profile

Importers and ExportersQuality AssuranceStandardized quality control100% Finished Products Inspection

Hebei Hongdu Technology Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryExport Year: 2026-03-01Nearest Port: tianjinAverage Response Time: ≤0.76hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): Others, EXW

About Our Factory & Business Background

AddressNo. 6, Changqi Road, Louzi Village, Liangzhao Town, Renqiu City, Cangzhou, Hebei, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Our Production Capability & Technical Expertise

Main ProductsTerminal, Cable Clamp, Spacer Damper

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:Are you a factory or a trading company?

We are a factory with a professional team. This allows us to offer you competitive factory-direct prices. You are welcome to visit our factory for inspection.

Q:Do you support customization?

Yes, we can customize the size and logo according to your needs. Please consult our customer service for the specific minimum order quantity (MOQ).

Q:How can I get an accurate quotation?

You can send us your specific requirements and product pictures first. We will tailor a solution based on your needs and inform you of the specific price.

Q:What is your delivery time?

It usually takes 7-15 days, depending on the order quantity.

Q:What is your packaging standard?

Our usual packaging is cartons, pallets, or customized packaging.